749717 has 4 divisors (see below), whose sum is σ = 793836. Its totient is φ = 705600.

The previous prime is 749711. The next prime is 749729. The reversal of 749717 is 717947.

749717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 717947 = 457 ⋅1571.

It can be written as a sum of positive squares in 2 ways, for example, as 703921 + 45796 = 839^2 + 214^2 .

It is a cyclic number.

It is not a de Polignac number, because 749717 - 2⁴ = 749701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22034 + ... + 22067.

It is an arithmetic number, because the mean of its divisors is an integer number (198459).

2⁷⁴⁹⁷¹⁷ is an apocalyptic number.

It is an amenable number.

749717 is a deficient number, since it is larger than the sum of its proper divisors (44119).

749717 is a wasteful number, since it uses less digits than its factorization.

749717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44118.

The product of its digits is 12348, while the sum is 35.

The square root of 749717 is about 865.8619982422. The cubic root of 749717 is about 90.8446005345.

It can be divided in two parts, 7497 and 17, that multiplied together give a square (127449 = 357²).

The spelling of 749717 in words is "seven hundred forty-nine thousand, seven hundred seventeen".